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b.(-3p-4p) (-3p-4p) = 9p²+12p²+12p²+16p² = 9p²+16p
c.(-6³-5b²)²= (-6³-5b²) × (-6³-5b²) = 180b pangkat 10
e.(x-4 (x-4) = x²-4x-4x+16 = x²+8x+16
f.(4a+b) (4a+b) = 16a²+4ab+4ab+b² = 16a²+8ab+b²
yang D ribet,,maaf yah